package com.ruoyi.labour.mapper;

import com.ruoyi.labour.domain.LabourAnnouncement;
import org.apache.ibatis.annotations.Param;

/**
 * @ClassName: AnnouncementMapper
 * @Description:
 * @Author: Awen
 * @Date: 2023/5/16 11:42
 */
public interface AnnouncementMapper {
    int updateAnnouncement(String msg);

    LabourAnnouncement getAnnouncement();

    /**
     * 查询公告信息是否存在
     * @return
     */
    int checkAnnouncementIsExist();
}
